Seal for a patient interface



FIG. 1 is a front perspective view of a seal for a patient interface;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof, the right side elevational view being a mirror image of the view of FIG. 5;

FIG. 6 is a bottom elevational view thereof; and,

FIG. 7 is a top elevational view thereof. 

CLAIM The ornamental design for a seal for a patient interface, as shown and described. 